分析:
①首先爱心分成两半前面三行左右一样右边就可以通过左边反相得到
中间两行是个长方形,剩下的就是个倒等腰三角形
System.out.println(" ** **");
for (int a = 0; a i; a++) {
System.out.print(" ");
}
System.out.print("*");
System.out.print("\n");
** **
*********
*******
*****
***
*
把如下代码加入body区域中
style type="text/css"
body
{
background-color:#FFFFFF;
font-family: Arial;
font-size:10pt;
/style
script
text=new Array('www','njcatv','net','需要放大的
/\/\
\ /
\/
文字')
var font='Arial Black'
var hide=false
var size=10
var gonum=0
var ie, n;
if (document.all) {
n=0
ie=1
zoomText='document.all.zoom.innerText=text[num]'
zoomSize='document.all.zoom.style.fontSize=size'
closeIt=""
fadeColor="document.all.zoom.style.color=color[num]"
if (document.layers) {
n=1;ie=0
zoomText=""
zoomSize="document.zoom.document.write('p align=\"center\" style=\"font-family:'+font+'; font-size:'+size+'px; color:'+color[0]+'\"'+text[num]+'/p')"
closeIt="document.zoom.document.close()"
fadeColor="document.zoom.document.write('p align=\"center\" style=\"font-family:'+font+'; font-size:'+endSize+'px; color:'+color[num]+'\"'+text[numText-1]+'/p')"
function zoom(num,fn){
if (sizeendSize){
eval(zoomText)
eval(zoomSize)
eval(closeIt)
setTimeout("zoom("+num+",'"+fn+"')",Zspeed)
}else{
eval(fn);
function fadeIt(num){
if (numnumColors){
eval(fadeColor)
num+=1;
setTimeout("fadeIt("+num+")",Cspeed)
hideIt()
function hideIt(){
if(hide){
if(ie)document.all.zoom.style.visibility="hidden"
if(n)document.layers.zoom.visibility="hidden"
function init(){
if(ie){
document.all.zoom.style.color=color[0]
document.all.zoom.style.fontFamily=font
if(ie || n) go(0)
function go(num){
gonum+=1
size=10
if(numnumText){
zoom(num,'go('+gonum+')')
fadeIt(0)
/script
用方程的话肯定输出不会和你的图完全一致
心形线方程如图
用上面行第二个比较简单,程序如下
#include?stdio.h
bool?draw(float?x,?float?y)
float?a?=?x?*?x?+?y?*?y?-?1.0;
float?b?=?x?*?x?*?y?*?y?*?y;
return?a?*?a?*?a?-?b?=?0;
int?main(int?argc,?char*?argv[])
if?(draw(x,?y))
bool?up?=?draw(x,?y?+?0.1);
bool?down?=?draw(x,?y?-?0.1);
if?(left?right?up?down)
printf("?");
else
printf("*");
printf("\n");
return?0;
draw函数是判断(x,y)坐标是否在心形范围内
如果(x,y)坐标在心形范围外打印空格
最终结果如图
for语句输出心形(java)的方法如下:
使用eclipse,创建一个Java文件命名为Test.java
public class Test{
public static void main (String []args){
else { ?System.out.print("*");}
else System.out.print(" ");
System.out.println();
扩展资料:
for 语句表达式:
表达式1:一般为赋值表达式,给控制变量赋初值;
用java代码输出心的形状
public class CartesianCurve extends Applet{
int width, height;
Image image;
Graphics draw_Curve;
public void init(){
setBackground(Color.black);
width = getSize().width;
height = getSize().height;
image = createImage(width, height);
draw_Curve = image.getGraphics();
public void paint(Graphics g){
draw_Curve.clearRect(0, 0, width, height);
draw_Curve.setColor(Color.red);
int i, j;
double x, y, r;
g.drawImage(image, 0, 0, this);
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